Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old East Slavic
мѧкъкъ
→
Belarusian
мяккі
(inherited)
→
Russian
мягкий
(inherited)
→
Rusyn
мнягкый
(inherited)
→
Ukrainian
м'який
(inherited)